System 75 XE to R8si (Blowback)
Task List: System 75 XE to R8si
SI Installation and Upgrades
237
June 2004
These leads are not available on DEFINITY G1 or later systems. If you are upgrading a System 75 and these leads
were previously used, these alarm connections have to be dropped.
BK-
BL
BL-
BK
21
22
GND
-48
Emerg
xfer
relay
power
GND
-48
Emerg
xfer
relay
power
LC
LC
BK-O
O-BK
23
24
GND
-48
GND
-48
ST
ST
BK-G
G-BK
25
26
GND
-48
GND
-48
TC
TC
BK-
BR
BR-
BK
27
28
GND
-48
GND
-48
TK
TK
BK-S
S-BK
29
30
GND
-48
GND
-48
LC
LC
Y-BL
BL-Y
31
32
GND
-48
GND
-48
ST
ST
Y-O
O-Y
33
34
GND
-48
GND
-48
TC
TC
Y-G
G-Y
35
36
N/C
N/C
TK
TK
Y-BR
BR-Y
37
38
GND
-48
ACC
power
N/C
LC
LC
Y-S
S-Y
39
40
GND
-48
N/C
ST
ST
V-BL
BL-V
41
42
GND
-48
N/C
COM1
N01
COM1
N01
V-O
O-V
43
44
N/C
N/C
NC2
NC1
NC2 NC1
V-G
G-V
45
46
Ext Alarm A
Ext Alarm B
Ext Alarm A
Ext Alarm B
COM2
N02
COM2
N02
V-BR
BR-V
47
48
N/C
N/C
N/C
N/C
V-S
S-V
49
50
INADS
INADS
GND
-48
GND
-48
Auxiliary lead appearances for System 75, G1, and G3
Color
66-type
conn
block
term
Multi-carrrier AUX
conn outputs
Single-carrrier
AUX conn outputs
808A
emerg
xfer unit
outputs
574-5
power
xfer unit
outputs